chinwagsocial/app/models/tag_filter.rb
Eugen Rochko 6e50134a42
Add trending links (#16917)
* Add trending links

* Add overriding specific links trendability

* Add link type to preview cards and only trend articles

Change trends review notifications from being sent every 5 minutes to being sent every 2 hours

Change threshold from 5 unique accounts to 15 unique accounts

* Fix tests
2021-11-25 13:07:38 +01:00

67 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class TagFilter
KEYS = %i(
trending
status
).freeze
attr_reader :params
def initialize(params)
@params = params
end
def results
scope = begin
if params[:status] == 'pending_review'
Tag.unscoped
else
trending_scope
end
end
params.each do |key, value|
next if key.to_s == 'page'
scope.merge!(scope_for(key, value.to_s.strip)) if value.present?
end
scope
end
private
def scope_for(key, value)
case key.to_s
when 'status'
status_scope(value)
else
raise "Unknown filter: #{key}"
end
end
def trending_scope
ids = Trends.tags.currently_trending_ids(false, -1)
if ids.empty?
Tag.none
else
Tag.joins("join unnest(array[#{ids.map(&:to_i).join(',')}]::integer[]) with ordinality as x (id, ordering) on tags.id = x.id").order('x.ordering')
end
end
def status_scope(value)
case value.to_s
when 'approved'
Tag.trendable
when 'rejected'
Tag.not_trendable
when 'pending_review'
Tag.pending_review
else
raise "Unknown status: #{value}"
end
end
end